1f16

SOLUTION STRUCTURE OF A PRO-APOPTOTIC PROTEIN BAX

Method: SOLUTION NMR Dmax: 50.6 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

PROTEIN (APOPTOSIS REGULATOR BAX, MEMBRANE ISOFORM ALPHA)

Homo sapiens

UniProt Q07812

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–192 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6;305 K;Ionic strength (raw mmCIF value) 10 mM;Pressure AMBIENT NMR sample composition:1MM BAX U-15N,13C; 10mM TRIS-ACETATE PH 6.0 2MM DTT Resolution not provided

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

35 other PDB entries and 61 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BAXA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–192; UniProt 1–192

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1f16

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1f16
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1f16
Deposition date deposition_date2000-05-18
Structure title titleSOLUTION STRUCTURE OF A PRO-APOPTOTIC PROTEIN BAX
Keywords keywordsHELICAL PROTEIN, APOPTOSIS; APOPTOSIS
Experimental Method methodSOLUTION NMR

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier18.77
Radius of gyration Rg (electron density) rg_electron17.92
Forward intensity I(0) i02400460000.00
Molecular weight molecular_weight423630.0 kDa
Excluded volume excluded_volume532910 ų
Envelope volume envelope_volume70463 ų
Hydration-shell volume shell_volume25698 ų
Envelope diameter envelope_diameter83.6
Shell Rg shell_rg30.14
Envelope Rg envelope_rg24.97
Shape Rg shape_rg17.85
Total Rg total_rg18.36
Total atoms total_atoms59540
Residues n_residues3840
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax50.6
Rg (real space) rg_real17.58
Rg uncertainty (real space) rg_real_error0.06
I(0) (real space) i0_real2.2870e+09
I(0) uncertainty (real space) i0_real_error2.0120e+07
Rg (reciprocal space) rg_reciprocal18.83
I(0) (reciprocal space) i0_reciprocal2400000000.0000
Solution quality estimate total_estimate0.6751
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.9
Skewness Skewness skewness0.185
Kurtosis Kurtosis kurtosis-0.212
Angular range angular_range— – 0.4250 −1
Current regularization parameter α current_alpha1.9330
Highest regularization parameter α highest_alpha1523000.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.002; Oscil: 0.945; Stabil: 0.992; Sysdev: 0.000; Positv: 1.000; Valcen: 0.972; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1f16a_
Class classf — Membrane and cell surface proteins and peptides
Fold Fold foldf.1 — Toxins' membrane translocation domains
Superfamily Superfamily superfamilyf.1.4 — Bcl-2 inhibitors of programmed cell death
Family Family familyf.1.4.1 — Bcl-2 inhibitors of programmed cell death

CATH v4.4 (1 domains)

Domain ID domain_id1f16A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology437 — Apoptosis Regulator Bcl-x
Homologous superfamily homologous superfamily10 — Blc2-like

8. Citations (1)

9. Files and Curves (10)